diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-02-13 13:02:32 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-02-21 08:50:22 +0100 |
| commit | fe7c30a420761654777d3cc15412fc7626407e93 (patch) | |
| tree | 95f4377d7aced89fb5511fa2de3521e30347dac8 /arch/s390/include/asm/airq.h | |
| parent | s390/mm: enable split page table lock for PMD level (diff) | |
| download | linux-fe7c30a420761654777d3cc15412fc7626407e93.tar.xz linux-fe7c30a420761654777d3cc15412fc7626407e93.zip | |
s390/airq: add support for irq ranges
Add airq_iv_alloc and airq_iv_free to allocate and free consecutive
ranges of irqs from the interrupt vector.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/airq.h')
| -rw-r--r-- | arch/s390/include/asm/airq.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/s390/include/asm/airq.h b/arch/s390/include/asm/airq.h index 4bbb5957ed1b..bd93ff6661b8 100644 --- a/arch/s390/include/asm/airq.h +++ b/arch/s390/include/asm/airq.h @@ -44,11 +44,21 @@ struct airq_iv { struct airq_iv *airq_iv_create(unsigned long bits, unsigned long flags); void airq_iv_release(struct airq_iv *iv); -unsigned long airq_iv_alloc_bit(struct airq_iv *iv); -void airq_iv_free_bit(struct airq_iv *iv, unsigned long bit); +unsigned long airq_iv_alloc(struct airq_iv *iv, unsigned long num); +void airq_iv_free(struct airq_iv *iv, unsigned long bit, unsigned long num); unsigned long airq_iv_scan(struct airq_iv *iv, unsigned long start, unsigned long end); +static inline unsigned long airq_iv_alloc_bit(struct airq_iv *iv) +{ + return airq_iv_alloc(iv, 1); +} + +static inline void airq_iv_free_bit(struct airq_iv *iv, unsigned long bit) +{ + airq_iv_free(iv, bit, 1); +} + static inline unsigned long airq_iv_end(struct airq_iv *iv) { return iv->end; |